/***********************************************************************
 * Copyright (c) 2005 Actuate Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * Actuate Corporation - initial API and implementation
 ***********************************************************************/

package org.eclipse.birt.chart.computation;

import org.eclipse.birt.chart.model.attribute.Location;

/**
 * The <code>Location</code> class defines a point specified in
 * <code>double</code> precision.
 */

public class Point
{

	/**
	 * The X coordinate of this <code>Location</code>.
	 * 
	 */
	public double x;

	/**
	 * The Y coordinate of this <code>Location</code>.
	 * 
	 */
	public double y;

	/**
	 * Constructs and initializes a <code>Location</code> with coordinates
	 * (0,&nbsp;0).
	 * 
	 */
	public Point( )
	{
	}

	public Point( Location lo )
	{
		this.x = lo.getX( );
		this.y = lo.getY( );
	}

	/**
	 * Constructs and initializes a <code>Location</code> with the specified
	 * coordinates.
	 * 
	 * @param x,&nbsp;y
	 *            the coordinates to which to set the newly constructed
	 *            <code>Location</code>
	 * 
	 */
	public Point( double x, double y )
	{
		this.x = x;
		this.y = y;
	}

	/**
	 * Returns the X coordinate of this <code>Location</code> in
	 * <code>double</code> precision.
	 * 
	 * @return the X coordinate of this <code>Location</code>.
	 * 
	 */
	public double getX( )
	{
		return x;
	}

	/**
	 * Returns the Y coordinate of this <code>Location</code> in
	 * <code>double</code> precision.
	 * 
	 * @return the Y coordinate of this <code>Location</code>.
	 * 
	 */
	public double getY( )
	{
		return y;
	}

	/**
	 * Sets the location of this <code>Location</code> to the specified
	 * <code>double</code> coordinates.
	 * 
	 * @param x,&nbsp;y
	 *            the coordinates to which to set this <code>Location</code>
	 * 
	 */
	public void setLocation( double x, double y )
	{
		this.x = x;
		this.y = y;
	}

	/**
	 * Returns a <code>String</code> that represents the value of this
	 * <code>Location</code>.
	 * 
	 * @return a string representation of this <code>Location</code>.
	 * 
	 */
	public String toString( )
	{
		return "Location[" + x + ", " + y + "]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
	}

	public void setX( double x )
	{
		this.x = x;
	}

	public void setY( double y )
	{
		this.y = y;
	}

	public void translate( double dTranslateX, double dTranslateY )
	{
		setX( getX( ) + dTranslateX );
		setY( getY( ) + dTranslateY );
	}

}
